/*
 * Copyright (c) 2002-2021 "Neo4j,"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.neo4j.ogm.domain.gh789;

import java.io.Serializable;
import java.util.Objects;

/**
 * @author Michael J. Simons
 */
public class Key implements Serializable {
    private final String first;
    private final String second;

    public static Key build(final String first, final String second) {
        return new Key(first, second);
    }

    private Key(String first, String second) {
        this.first = first;
        this.second = second;
    }

    public String getFirst() {
        return first;
    }

    public String getSecond() {
        return second;
    }

    @Override public String toString() {
        return "Key{" +
            "first='" + first + '\'' +
            ", second='" + second + '\'' +
            '}';
    }

    @Override public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;
        Key key = (Key) o;
        return first.equals(key.first) &&
            second.equals(key.second);
    }

    @Override public int hashCode() {
        return Objects.hash(first, second);
    }
}
